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Commit c7b23740 authored by Laurent Aimar's avatar Laurent Aimar
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* ts: clean up and a few mem leaks.

parent b05bfcc7
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Showing with 68 additions and 56 deletions
modules/demux/ts.c
View file @ c7b23740
......@@ -2,7 +2,7 @@
* ts.c: Transport Stream input module for VLC.
*****************************************************************************
* Copyright (C) 2004 VideoLAN
* $Id: ts.c,v 1.3 2004/01/18 01:49:11 fenrir Exp $
* $Id: ts.c,v 1.4 2004/01/18 06:15:21 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
......@@ -202,7 +202,11 @@ struct demux_sys_t
static int Demux ( demux_t *p_demux );
static int Control( demux_t *p_demux, int i_query, va_list args );
static void PIDInit( ts_pid_t *pid, vlc_bool_t b_psi, ts_psi_t *p_owner );
static void PIDInit ( ts_pid_t *pid, vlc_bool_t b_psi, ts_psi_t *p_owner );
static void PIDClean( es_out_t *out, ts_pid_t *pid );
static int PIDFillFormat( ts_pid_t *pid, int i_stream_type );
static void PATCallBack( demux_t *, dvbpsi_pat_t * );
static void PMTCallBack( demux_t *p_demux, dvbpsi_pmt_t *p_pmt );
......@@ -215,9 +219,8 @@ static vlc_bool_t GatherPES( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk );
static char *LanguageNameISO639( char *p );
static iod_descriptor_t *IODNew( int , uint8_t * );
static void IODFree( iod_descriptor_t * );
static void IODFree( iod_descriptor_t * );
static int ESFillFormat( es_format_t *fmt, int i_stream_type );
/*****************************************************************************
* Open
......@@ -317,7 +320,7 @@ static int Open( vlc_object_t *p_this )
{
pmt->psi->i_pid_pcr = i_pid;
}
ESFillFormat( &pid->es->fmt, i_stream_type);
PIDFillFormat( pid, i_stream_type);
if( pid->es->fmt.i_cat != UNKNOWN_ES )
{
msg_Dbg( p_demux, " * es pid=0x%x type=0x%x fcc=%4.4s", i_pid, i_stream_type, (char*)&pid->es->fmt.i_codec );
......@@ -583,6 +586,35 @@ static void PIDInit( ts_pid_t *pid, vlc_bool_t b_psi, ts_psi_t *p_owner )
}
}
static void PIDClean( es_out_t *out, ts_pid_t *pid )
{
if( pid->psi )
{
if( pid->psi->handle )
{
dvbpsi_DetachPMT( pid->psi->handle );
}
if( pid->psi->iod )
{
IODFree( pid->psi->iod );
}
free( pid->psi );
}
else
{
if( pid->es->id )
{
es_out_Del( out, pid->es->id );
}
if( pid->es->p_pes )
{
block_ChainRelease( pid->es->p_pes );
}
free( pid->es );
}
pid->b_valid = VLC_FALSE;
}
/****************************************************************************
* gathering stuff
****************************************************************************/
......@@ -749,12 +781,10 @@ static void ParsePES ( demux_t *p_demux, ts_pid_t *pid )
static vlc_bool_t GatherPES( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk )
{
uint8_t *p = p_bk->p_buffer;
vlc_bool_t b_unit_start= p[1]&0x40;
vlc_bool_t b_adaptation= p[3]&0x20;
vlc_bool_t b_payload = p[3]&0x10;
int i_cc = p[3]&0x0f; /* continuity counter */
const uint8_t *p = p_bk->p_buffer;
const vlc_bool_t b_adaptation= p[3]&0x20;
const vlc_bool_t b_payload = p[3]&0x10;
const int i_cc = p[3]&0x0f; /* continuity counter */
/* transport_scrambling_control is ignored */
int i_skip = 0;
......@@ -840,6 +870,8 @@ static vlc_bool_t GatherPES( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk )
}
else
{
const vlc_bool_t b_unit_start= p[1]&0x40;
/* we have to gather it */
p_bk->p_buffer += i_skip;
p_bk->i_buffer -= i_skip;
......@@ -896,8 +928,10 @@ static char *LanguageNameISO639( char *psz_code )
}
}
static int ESFillFormat( es_format_t *fmt, int i_stream_type )
static int PIDFillFormat( ts_pid_t *pid, int i_stream_type )
{
es_format_t *fmt = &pid->es->fmt;
switch( i_stream_type )
{
case 0x01: /* MPEG-1 video */
......@@ -960,7 +994,7 @@ static int ESFillFormat( es_format_t *fmt, int i_stream_type )
}
/*****************************************************************************
* MP4 specific functions
* MP4 specific functions (IOD parser)
*****************************************************************************/
static int IODDescriptorLength( int *pi_data, uint8_t **pp_data )
{
......@@ -981,38 +1015,32 @@ static int IODGetByte( int *pi_data, uint8_t **pp_data )
{
if( *pi_data > 0 )
{
int i_b = **pp_data;
const int i_b = **pp_data;
(*pp_data)++;
(*pi_data)--;
return( i_b );
}
else
{
return( 0 );
}
return( 0 );
}
static int MP4_GetWord( int *pi_data, uint8_t **pp_data )
static int IODGetWord( int *pi_data, uint8_t **pp_data )
{
int i1, i2;
i1 = IODGetByte( pi_data, pp_data );
i2 = IODGetByte( pi_data, pp_data );
const int i1 = IODGetByte( pi_data, pp_data );
const int i2 = IODGetByte( pi_data, pp_data );
return( ( i1 << 8 ) | i2 );
}
static int IODGet3Bytes( int *pi_data, uint8_t **pp_data )
{
int i1, i2, i3;
i1 = IODGetByte( pi_data, pp_data );
i2 = IODGetByte( pi_data, pp_data );
i3 = IODGetByte( pi_data, pp_data );
const int i1 = IODGetByte( pi_data, pp_data );
const int i2 = IODGetByte( pi_data, pp_data );
const int i3 = IODGetByte( pi_data, pp_data );
return( ( i1 << 16 ) | ( i2 << 8) | i3 );
}
static uint32_t IODGetWord( int *pi_data, uint8_t **pp_data )
static uint32_t IODGetDWord( int *pi_data, uint8_t **pp_data )
{
uint32_t i1, i2;
i1 = MP4_GetWord( pi_data, pp_data );
i2 = MP4_GetWord( pi_data, pp_data );
const uint32_t i1 = IODGetWord( pi_data, pp_data );
const uint32_t i2 = IODGetWord( pi_data, pp_data );
return( ( i1 << 16 ) | i2 );
}
......@@ -1130,7 +1158,7 @@ static iod_descriptor_t *IODNew( int i_data, uint8_t *p_data )
fprintf( stderr, "\n* - ES_Descriptor length:%d", i_length );
es_descr.b_ok = 1;
es_descr.i_es_id = MP4_GetWord( &i_data, &p_data );
es_descr.i_es_id = IODGetWord( &i_data, &p_data );
i_flags = IODGetByte( &i_data, &p_data );
es_descr.b_streamDependenceFlag = ( i_flags >> 7 )&0x01;
b_url = ( i_flags >> 6 )&0x01;
......@@ -1142,7 +1170,7 @@ static iod_descriptor_t *IODNew( int i_data, uint8_t *p_data )
if( es_descr.b_streamDependenceFlag )
{
es_descr.i_dependOn_es_id = MP4_GetWord( &i_data, &p_data );
es_descr.i_dependOn_es_id = IODGetWord( &i_data, &p_data );
fprintf( stderr, "\n* * dependOn_es_id:%d", es_descr.i_dependOn_es_id );
}
......@@ -1158,7 +1186,7 @@ static iod_descriptor_t *IODNew( int i_data, uint8_t *p_data )
if( es_descr.b_OCRStreamFlag )
{
es_descr.i_OCR_es_id = MP4_GetWord( &i_data, &p_data );
es_descr.i_OCR_es_id = IODGetWord( &i_data, &p_data );
fprintf( stderr, "\n* * OCR_es_id:%d", es_descr.i_OCR_es_id );
}
......@@ -1177,8 +1205,8 @@ static iod_descriptor_t *IODNew( int i_data, uint8_t *p_data )
dec_descr.i_streamType = i_flags >> 2;
dec_descr.b_upStream = ( i_flags >> 1 )&0x01;
dec_descr.i_bufferSizeDB = IODGet3Bytes( &i_data, &p_data );
dec_descr.i_maxBitrate = IODGetWord( &i_data, &p_data );
dec_descr.i_avgBitrate = IODGetWord( &i_data, &p_data );
dec_descr.i_maxBitrate = IODGetDWord( &i_data, &p_data );
dec_descr.i_avgBitrate = IODGetDWord( &i_data, &p_data );
fprintf( stderr, "\n* * objectTypeIndication:0x%x", dec_descr.i_objectTypeIndication );
fprintf( stderr, "\n* * streamType:0x%x", dec_descr.i_streamType );
fprintf( stderr, "\n* * upStream:%d", dec_descr.b_upStream );
......@@ -1362,15 +1390,7 @@ static void PMTCallBack( demux_t *p_demux, dvbpsi_pmt_t *p_pmt )
if( pid->b_valid && pid->p_owner == pmt->psi && pid->psi == NULL )
{
pid->b_valid = VLC_FALSE;
if( pid->es->id )
{
es_out_Del( p_demux->out, pid->es->id );
}
if( pid->es->p_pes )
{
block_ChainRelease( pid->es->p_pes );
}
PIDClean( p_demux->out, pid );
}
}
if( pmt->psi->iod )
......@@ -1406,7 +1426,7 @@ static void PMTCallBack( demux_t *p_demux, dvbpsi_pmt_t *p_pmt )
}
PIDInit( pid, VLC_FALSE, pmt->psi );
ESFillFormat( &pid->es->fmt, p_es->i_type );
PIDFillFormat( pid, p_es->i_type );
if( p_es->i_type == 0x10 || p_es->i_type == 0x11 )
{
......@@ -1615,22 +1635,14 @@ static void PATCallBack( demux_t *p_demux, dvbpsi_pat_t *p_pat )
{
if( pid->p_owner == pat->psi )
{
dvbpsi_DetachPMT( pid->psi->handle );
if( pid->psi->iod )
{
IODFree( pid->psi->iod );
pid->psi->iod = NULL;
}
pid->b_valid = VLC_FALSE;
PIDClean( p_demux->out, pid );
TAB_REMOVE( p_sys->i_pmt, p_sys->pmt, pid );
}
}
else if( pid->p_owner && pid->p_owner->i_number != 0 && pid->es->id )
{
/* We only remove es that aren't defined by extra pmt */
es_out_Del( p_demux->out, pid->es->id );
pid->b_valid = VLC_FALSE;
PIDClean( p_demux->out, pid );
}
}
}
......
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